const cookieparser = process.server ? require('cookieparser') : undefined

// 在服务端渲染期间运行都是同一个实例
// 为了防止数据冲突，务必把state定义为函数，返回数据对象
export const state = () => {
    return {
        user: null
    }
}

export const mutations = {
    setUser (state, data) {
        state.user = data
    }
}

export const actions = {
    nuxtServerInit ({ commit }, { req }) {
        let user = null

        // 如果请求头中有cookie
        if(req.headers.cookie) {
            const parsed = cookieparser.parse(req.headers.cookie)
            try{
                user = JSON.parse(parsed.user)
            }catch(err) {

            }
        }
        commit('setUser', user)
    }
}